definitely need this vacuum cleaner!”( A valid deductive argument) Voice of Man Speaking for Wife:
“ Honey, our carpets are clean and we already have a working vacuum cleaner, so we don’ t need a new one!”( A sound deductive argument)
DQ 2- Imagine your child is trying to prove that she did not steal chocolate chip cookies from the cookie jar, so she makes this argument:“ There are no chocolate stains on my hands, so I couldn’ t have stolen the cookies.”
Postyour response to the following: Does this example require deductive or inductive logic? What are the premises? Are the premises stated or unstated? What is the argument’ s conclusion? In your opinion, is this a convincing argument? Why or why not?
Grading Guide
Through discussion students should determine the following: The example requires inductive logic. The premises are that there are no chocolate stains on the child’ s hands, and that chocolate on one’ s hands is an indication of having handled chocolate chip cookies. The first premise is stated and the second premise is unstated. The conclusion is,“… so I couldn’ t have stolen the cookies.”
Students should state their opinions regarding whether or not they believe the argument is persuasive.